General description vhbw offers a set of 5 round filters designed for various vacuum cleaners, including standard, robotic, wet, and multipurpose models. Regular replacement of these filters is essential for optimal dust extraction and to protect the motor from impurities, thereby extending the vacuum cleaner's lifespan while maintaining high suction power. Technical specifications Diameter: 32 cm Height: 12.4 cm Material: plastic / microfleece Form: round Colour: black / white Weight of each filter: 235 g Compatibility and accessories Compatible with: Numatic NB-200, NBV190 NX/1, NNV 374, NNV-204, NNV 370, NQS-200, NQS-200T, NQS 350 B, NQS 350 B-22, NBV190 Replacement for: 604115, 604165 Usage It is recommended to change the filters every 6 to 12 months or when the vacuum cleaner's cleaning efficiency decreases.